/*
 * Copyright (C) 2013 TinhVan Outsourcing.
 */
package com.learning.jquizenglish.utility;

import java.io.File;

import android.app.Activity;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;

// TODO: Auto-generated Javadoc
/**
 * The Class CameraUtils.
 */
public class CameraUtils {
	
	
    /**
     * Start camera for result.
     *
     * @param atv the atv
     * @param request_code the request_code
     * @return the string
     */
    public static String startCameraForResult(Context atv, final int request_code) {
        String ret = null;
        if (SystemCheckUtil.checkCamera(atv.getApplicationContext())) {
            Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
            String file_name =
                    new StringBuilder().append(System.currentTimeMillis()).append(".jpg").toString();
            File store_file = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
            if (!store_file.exists()) {
                store_file.mkdirs();
            }
            store_file = new File(store_file, file_name);
            intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(store_file));// Uri.fromFile(store_file));
            intent.putExtra(MediaStore.EXTRA_SCREEN_ORIENTATION, ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
            ret = store_file.getPath();
            if (SystemCheckUtil.isAvailable(atv.getApplicationContext(), intent)) {
                ((Activity) atv).startActivityForResult(intent, request_code);
            }
        }
        return ret;
    }
    
    public static Uri TakePhotoForResult(Context atv, final int request_code){
    	Uri imageUri = null;
    	if (SystemCheckUtil.checkCamera(atv.getApplicationContext())) {
    		Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
    		String file_name =
                    new StringBuilder().append(System.currentTimeMillis()).append(".jpg").toString();
            File store_file = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
            if (!store_file.exists()) {
                store_file.mkdirs();
            }
            store_file = new File(store_file, file_name);
    	    intent.putExtra(MediaStore.EXTRA_OUTPUT,Uri.fromFile(store_file));
    	    imageUri = Uri.fromFile(store_file);
    		if (SystemCheckUtil.isAvailable(atv.getApplicationContext(), intent)) {
                ((Activity) atv).startActivityForResult(intent, request_code);
            }
    	}
    	return imageUri;
    	
    }
    
    /**
     * Start gallery with code.
     *
     * @param ctx the ctx
     * @param request_code the request_code
     */
    public static void startGalleryForResult(Context ctx,final int request_code) {
    	Intent intent = new Intent();
        intent.setType("image/*");
        intent.setAction(Intent.ACTION_GET_CONTENT);

        ((Activity) ctx).startActivityForResult(Intent.createChooser(intent, "Complete action using"),
                request_code);
    	//Editted
//        if (Build.VERSION.SDK_INT <19){
//        	Intent intent = new Intent();
//            intent.setType("image/*");
//            intent.setAction(Intent.ACTION_GET_CONTENT);
//
//            ((Activity) ctx).startActivityForResult(Intent.createChooser(intent, "Complete action using"),
//                    request_code);
//        } else {
//            Intent intent = new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
//            ((Activity) ctx).startActivityForResult(Intent.createChooser(intent, "Complete action using"),
//                    request_code);
//        }


    }
    
    public static String getRealPathFromURI(Context context, Uri contentUri) {
    	  Cursor cursor = null;
    	  try { 
    	    String[] proj = { MediaStore.Images.Media.DATA };
    	    cursor = context.getContentResolver().query(contentUri,  proj, null, null, null);
    	    int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
    	    cursor.moveToFirst();
    	    return cursor.getString(column_index);
    	  } finally {
    	    if (cursor != null) {
    	      cursor.close();
    	    }
    	  }
    	}
    
    /**
     * Get a file path from a Uri. This will get the the path for Storage Access
     * Framework Documents, as well as the _data field for the MediaStore and
     * other file-based ContentProviders.
     *
     * @param context The context.
     * @param uri The Uri to query.
     * @author paulburke
     */
    public static String getPath(final Context context, final Uri uri) {

        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
            // ExternalStorageProvider
            if (isExternalStorageDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }

                // TODO handle non-primary volumes
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {

                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(
                        Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));

                return getDataColumn(context, contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                Uri contentUri = null;
                if ("image".equals(type)) {
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }

                final String selection = "_id=?";
                final String[] selectionArgs = new String[] {
                        split[1]
                };

                return getDataColumn(context, contentUri, selection, selectionArgs);
            }
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {

            // Return the remote address
            if (isGooglePhotosUri(uri))
                return uri.getLastPathSegment();

            return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }

        return null;
    }

    /**
     * Get the value of the data column for this Uri. This is useful for
     * MediaStore Uris, and other file-based ContentProviders.
     *
     * @param context The context.
     * @param uri The Uri to query.
     * @param selection (Optional) Filter used in the query.
     * @param selectionArgs (Optional) Selection arguments used in the query.
     * @return The value of the _data column, which is typically a file path.
     */
    public static String getDataColumn(Context context, Uri uri, String selection,
            String[] selectionArgs) {

        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = {
                column
        };

        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
                    null);
            if (cursor != null && cursor.moveToFirst()) {
                final int index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }


    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is ExternalStorageProvider.
     */
    public static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is DownloadsProvider.
     */
    public static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is MediaProvider.
     */
    public static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is Google Photos.
     */
    public static boolean isGooglePhotosUri(Uri uri) {
        return "com.google.android.apps.photos.content".equals(uri.getAuthority());
    }
}
